package demo6;

import java.util.Arrays;

/**
 * @Author 12629
 * @Description：
 */
public class Test {
    public static void main(String[] args) {
        Student student1 = new Student("afei",10);
        Student student2 = new Student("lisi",6);
        Student student3 = new Student("zhansan",8);
        Student[] students = new Student[3];
        students[0] = student1;
        students[1] = student2;
        students[2] = student3;

        System.out.println(Arrays.toString(students));
        AgeComparator ageComparator = new AgeComparator();

        Arrays.sort(students,ageComparator);

        System.out.println(Arrays.toString(students));
    }

    public static void main3(String[] args) {
        Student student1 = new Student("afei",10);
        Student student2 = new Student("lisi",6);
        AgeComparator ageComparator = new AgeComparator();
        System.out.println("根据年龄比较：");
        int ret = ageComparator.compare(student1,student2);
        if( ret > 0) {
            System.out.println("student1 > student2");
        }else if(ret == 0) {
            System.out.println("student1 == student2");
        }else {
            System.out.println("student1 < student2");
        }
        System.out.println("根据姓名比较：");
        NameComparator nameComparator = new NameComparator();
        ret = nameComparator.compare(student1,student2);
        if( ret > 0) {
            System.out.println("student1 > student2");
        }else if(ret == 0) {
            System.out.println("student1 == student2");
        }else {
            System.out.println("student1 < student2");
        }
    }

    public static void bubbleSort(Comparable[] comparables) {
        for (int i = 0; i < comparables.length-1; i++) {
            for (int j = 0; j < comparables.length-1-i; j++) {
                //if(comparables[j] > comparables[j+1]) {
                if(comparables[j].compareTo(comparables[j+1]) > 0) {
                    Comparable tmp = comparables[j];
                    comparables[j] = comparables[j+1];
                    comparables[j+1] = tmp;
                }
            }
        }
    }

    public static void main2(String[] args) {
        Student student1 = new Student("afei",10);
        Student student2 = new Student("lisi",6);
        Student student3 = new Student("zhansan",8);
        Student[] students = new Student[3];
        students[0] = student1;
        students[1] = student2;
        students[2] = student3;

        System.out.println(Arrays.toString(students));

        bubbleSort(students);
        //Arrays.sort(students);

        System.out.println(Arrays.toString(students));

    }

    public static void main1(String[] args) {
        /*Student student1 = new Student("afei",10);
        Student student2 = new Student("lisi",6);
        int ret = student1.compareTo(student2);
        if( ret > 0) {
            System.out.println("student1 > student2");
        }else if(ret == 0) {
            System.out.println("student1 == student2");
        }else {
            System.out.println("student1 < student2");
        }*/

        /*if(student1 > student2) {

        }*/
    }
}
